Federal law enforcement officials warned Wednesday that data encryption is making it harder to hunt for pedophiles and terror suspects, telling senators that consumers' right to privacy is not absolute and must be weighed ...

Leaders of the U.S. Senate Judiciary Committee said Wednesday they were seeking answers from the Obama administration about federal law enforcement's use of surveillance technology that sweeps up basic cellphone data.

The NSA chief said Wednesday he knows of no better way his agency can help protect the U.S. from foreign threats than with spy programs that collect billions of phone and Internet records from around the world.